Home / 1,782,041.60-2,672,988.96-644,830.76

Finding the Fourth Proportional to 1,782,041.60, 2,672,988.96 and 644,830.76

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Solution

The fourth proportional to 1,782,041.60, 2,672,988.96 and 644,830.76 is: 967,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,782,041.60 : 2,672,988.96 = 644,830.76 : x
  2. Step 2: Convert to fraction form
    1,782,041.60/2,672,988.96 = 644,830.76/x
  3. Step 3: Cross multiply
    1,782,041.60x = 2,672,988.96 × 644,830.76
  4. Step 4: Simplify right side
    1,782,041.60x = 1,723,625,502,548.41
  5. Step 5: Solve for x
    x = 1,723,625,502,548.41/1,782,041.60
  6. Step 6: Final answer
    x = 967,219.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.